<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="upload" method="post" enctype="multipart/form-data">
    姓名:<input type="text"name="username"><br>
    年龄:<input type="text"name="age"><br>
    头像:<input type="file" name="image"><br>
    <input type="submit" value="提交">
    </form>
</body>
</html>

